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path: root/drivers/i2c/i2c-core.c
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Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r--drivers/i2c/i2c-core.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 75ba860..5923cfa 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -248,7 +248,7 @@ static int i2c_device_probe(struct device *dev)
driver = to_i2c_driver(dev->driver);
if (!driver->probe || !driver->id_table)
return -ENODEV;
- client->driver = driver;
+
if (!device_can_wakeup(&client->dev))
device_init_wakeup(&client->dev,
client->flags & I2C_CLIENT_WAKE);
@@ -257,7 +257,6 @@ static int i2c_device_probe(struct device *dev)
acpi_dev_pm_attach(&client->dev, true);
status = driver->probe(client, i2c_match_id(driver->id_table, client));
if (status) {
- client->driver = NULL;
i2c_set_clientdata(client, NULL);
acpi_dev_pm_detach(&client->dev, true);
}
@@ -281,10 +280,8 @@ static int i2c_device_remove(struct device *dev)
dev->driver = NULL;
status = 0;
}
- if (status == 0) {
- client->driver = NULL;
+ if (status == 0)
i2c_set_clientdata(client, NULL);
- }
acpi_dev_pm_detach(&client->dev, true);
return status;
}
@@ -1614,9 +1611,14 @@ static int i2c_cmd(struct device *dev, void *_arg)
{
struct i2c_client *client = i2c_verify_client(dev);
struct i2c_cmd_arg *arg = _arg;
+ struct i2c_driver *driver;
+
+ if (!client || !client->dev.driver)
+ return 0;
- if (client && client->driver && client->driver->command)
- client->driver->command(client, arg->cmd, arg->arg);
+ driver = to_i2c_driver(client->dev.driver);
+ if (driver->command)
+ driver->command(client, arg->cmd, arg->arg);
return 0;
}
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